Underwear 33a refers to the cup size of the chest. Among them, the number "33" represents the bust size, that is, the circumference of the chest, in inches. The letter "A" represents the size of the cup and the difference of the distance from the widest part of the chest to the bust. On this basis, 33A indicates that the bust is 33 inches and the cup size is A..

Generally speaking, 33A underwear is suitable for women with a bust of 33 inches and small cups. This kind of underwear is generally suitable for women with flat or drooping breasts. If you feel uncomfortable wearing 32B or 34A underwear, then choose 33A underwear, which fits your chest better.

When buying 33A underwear, you should first determine your bust and cup size, so as to choose the correct size. In addition, we should also pay attention to the comfort and support of underwear. It is best to choose underwear with soft, breathable and moderate elasticity, and underwear with reasonable design that can effectively repair the chest shape. Knowing your own needs and choosing underwear that suits you from many brands and models can make you feel more comfortable and confident.